638497660 (number)

638497660 is an even 9-digits composite number following 638497659 and preceding 638497661. In scientific notation, it is written as 6.38497660 × 10^8. The sum of its digits is 49. It has a total of 5 prime factors and 24 positive divisors. There are 241449984 positive integers (up to 638497660) that are relatively prime to 638497660.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million four hundred ninety-seven thousand six hundred sixty

Notation

Scientific notation 6.38497660 × 10^8
Engineering notation 6.38497660 × 10^6

Prime Factorization of 638497660

Prime Factorization 2 × 2 × 95 × 569 × 2953

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 319248830
Product of the distinct prime numbers

The prime factorization of 638497660 is 2 × 2 × 95 × 569 × 2953. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 638497660)

Multiplication

n×y
n×2 1276995320
n×3 1915492980
n×4 2553990640
n×5 3192488300

Division

n÷y
n÷2 319248830
n÷3 212832553.33333
n÷3 159624415
n÷5 127699532

Exponentiation

ny
n2 407679261825475600
n3 2.6030225470609E+26
n4 1.6620238052256E+35
n5 1.0611983105009E+44

Nth Root

y√n
2√n 25268.511234341
3√n 861.09903656866
4√n 158.96072230064
5√n 57.680877939048

Divisors of 638497660

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638497659
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638497660 can be divided by 24 positive divisors. The sum of these divisors (counting 638497660) is 1, the average is 0.041666666666667.

Base conversion 638497660

Base System Value
2 Binary 100110000011101011001101111100
3 Ternary 1122111110001010111
4 Quaternary 212003223031330
5 Quinary 2301423411120
6 Senary 143205115404
8 Octal 4603531574
10 Decimal 638497660
12 Duodecimal 1599b8b64
16 Hexadecimal 260eb37c
20 Vigesimal 9jac430
36 Base36 ak57y4

Cryptographic Hash Functions

md5 0e3338e3953cbdd39234069b579e6845
sha1 194bb4f37f1a6927c62f3569c20956daa3587e6d
sha256 693dba5c78b3564583d2246c20c3cba75064b9bc9a65aa9b58ef6d2337d5fbe0
sha512 5559a459ff3fe578d8b19c53d78c633db0703a9491a8a1cb37cb386f8bc7885e6fd0ada6a0437d21f60f4470a0b5e77721a2f0277f7dd161cb71b584402bda74
ripemd-160 4d2a085fb03a983ba29779a2fed593fbf269da62

638497660 as geometric shapes

Circle

Radius = n
Diameter 1276995320
Circumference 4011799115.9805
Area 1.2807621739718E+18

Sphere

Radius = n
Volume 1.0903515347967E+27
Surface area 5.1230486958873E+18
Circumference 4011799115.9805

Square

Length = n
Perimeter 2553990640
Area 407679261825475600
Diagonal 902972050.31549

Cube

Length = n
Surface area 2446075570952853600
Volume 2.6030225470609E+26
Space diagonal 1105910387.6338

Equilateral Triangle

Length = n
Perimeter 1915492980
Area 1.7653029866847E+17
Altitude 552955193.81692

Triangular Pyramid

Length = n
Surface area 1.7653029866847E+17
Volume 3.0676914910138E+25
Height 300990683.4385